One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,8)(4,6)(5,7)(10,12)(11,15)(17,18)(19,21)(20,23)(22,24) involution — undirected(1,3,6,5)(2,7,4,8)(9,10,13,12)(11,16,15,14)(18,19)(22,23)(1,3,6,5)(2,8,4,7)(9,10,13,12)(11,16,15,14)(17,18,21,19)(20,22,24,23)(1,4,6,2)(3,8,5,7)(9,11,13,15)(10,14,12,16)(17,19,21,18)(20,23,24,22)(9,10,13,12)(11,14,15,16)(17,20,21,24)(18,22,19,23)(1,5,6,3)(2,8,4,7)(9,12,13,10)(11,16,15,14)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.